/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include <cstdlib>
#include <cstdio>
+#include <cstdlib>
#include <cstring>
+#include <fstream>
+#include <iostream>
+#include <string>
#include <sys/types.h>
#include <xbt/sysdep.h>
#include <xbt/base.h>
-#include <xbt/file.h>
#include <xbt/log.h>
#include "memory_map.hpp"
#elif defined __linux__
/* Open the actual process's proc maps file and create the memory_map_t */
/* to be returned. */
- char* path = bprintf("/proc/%i/maps", (int) pid);
- FILE *fp = std::fopen(path, "r");
- if (fp == nullptr) {
- std::perror("fopen failed");
- xbt_die("Cannot open %s to investigate the memory map of the process.", path);
+ std::string path = std::string("/proc/") + std::to_string(pid) + "/maps";
+ std::ifstream fp;
+ fp.rdbuf()->pubsetbuf(0, 0);
+ fp.open(path);
+ if (not fp) {
+ std::perror("open failed");
+ xbt_die("Cannot open %s to investigate the memory map of the process.", path.c_str());
}
- free(path);
- setbuf(fp, nullptr);
/* Read one line at the time, parse it and add it to the memory map to be returned */
- ssize_t read; /* Number of bytes readed */
- char* line = nullptr;
- std::size_t n = 0; /* Amount of bytes to read by xbt_getline */
- while ((read = xbt_getline(&line, &n, fp)) != -1) {
+ std::string sline;
+ while (std::getline(fp, sline)) {
/**
* The lines that we read have this format: (This is just an example)
* 00602000-00603000 rw-p 00002000 00:28 1837264 <complete-path-to-file>
*/
-
- //fprintf(stderr,"%s", line);
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
+ char* line = &sline[0];
/* Tokenize the line using spaces as delimiters and store each token in lfields array. We expect 5 tokens for 6 fields */
- char* saveptr; // for strtok_r()
+ char* saveptr = nullptr; // for strtok_r()
char* lfields[6];
lfields[0] = strtok_r(line, " ", &saveptr);
ret.push_back(std::move(memreg));
}
- std::free(line);
- std::fclose(fp);
+ fp.close();
#elif defined __FreeBSD__
struct procstat *prstat;
struct kinfo_proc *proc;